package main

import "fmt"

type People interface {
	Speak(string) string
}

type Student struct {
}

func (stu *Student) Speak(think string) (talk string) {
	if think == "sb" {
		talk = "你是个大傻逼"
	} else {
		talk = "你好"
	}
	return talk
}
func main() {
	var pro People= &Student{}
	think:="aaa"
	fmt.Println(pro.Speak(think))
}
